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来自维基百科,自由的百科全书
来自维基百科,自由的百科全书
天龍座51,又名BD+53 2178,HD 178207、SAO 31371、HR 7251,是天龍座的一颗恒星[1][2],视星等为5.38,位于銀經83.76,銀緯19.56,其B1900.0坐标为赤經19h 2m 40.3s,赤緯+53° 19.56′ 35″。
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